/*
 * Licensed to Crate.io GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate licenses
 * this file to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.planner;

import java.util.Locale;

import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;

public final class NodeSelection {

    private NodeSelection() {}

    public static String resolveNodeId(DiscoveryNodes nodes, String nodeIdOrName) {
        if (nodes.nodeExists(nodeIdOrName)) {
            return nodeIdOrName;
        }
        for (DiscoveryNode node : nodes) {
            if (nodeIdOrName.equalsIgnoreCase(node.getName())) {
                return node.getId();
            }
        }
        throw new IllegalArgumentException(
            String.format(Locale.ENGLISH, "Node: \'%s\' could not be found", nodeIdOrName)
        );
    }
}
